{"type":"rich","blog_title":"HTN20190109\u306e\u65e5\u8a18","provider_url":"https://hatena.blog","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/HTN20190109/","categories":["\u6f14\u7fd2"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhtn20190109.hatenablog.com%2Fentry%2F2024%2F10%2F30%2F230356\" title=\"{\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u4f5c\u6210\u305d\u306e\u4ed6}\u30c6\u30fc\u30d6\u30eb\u306e\u30ab\u30e9\u30e0\u3092\u62e1\u5f35 - HTN20190109\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://htn20190109.hatenablog.com/","title":"{\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u4f5c\u6210\u305d\u306e\u4ed6}\u30c6\u30fc\u30d6\u30eb\u306e\u30ab\u30e9\u30e0\u3092\u62e1\u5f35","height":"190","width":"100%","published":"2024-10-30 23:03:56","author_name":"HTN20190109","url":"https://htn20190109.hatenablog.com/entry/2024/10/30/230356","image_url":null,"version":"1.0","description":"https://docs.oracle.com/cd/F19136_01/sqlrf/ALTER-TABLE.html#GUID-552E7373-BF93-477D-9DA3-B2C9386F2877__I2103956 create table tab1(col1 varchar2(10)); desc tab1alter table tab1 modify (col1 varchar2(20));desc tab1"}